IEEE 28-1944

28-1944 is AIEE American Standards for Lightning Arresters for Alternating Current Power Circuits, a technical document focused on protecting AC power systems from overvoltage events. It addresses the design and expected performance of lightning arresters used on alternating current circuits, helping engineers and purchasers compare equipment against a common standard. For power, energy, and industrial applications, this kind of specification supports safer system operation and more consistent equipment selection.

Overview of 28-1944

This superseded standard sets out the American Standards approach for lightning arresters intended for alternating current power circuits. It is relevant to the engineering of protective devices that divert or limit lightning-induced surges and other transient voltages before they can damage connected equipment. In practice, 28-1944 provides a reference point for understanding how arresters for AC systems were defined, rated, and evaluated within an earlier standards framework. The document is useful when reviewing legacy equipment or historical compliance records.

Typical use cases

28-1944 is most relevant in AC power distribution environments where surge protection is part of the equipment design or procurement process. It may be consulted for utility installations, industrial power circuits, and other electrical systems that rely on lightning arresters to reduce exposure to transient overvoltage. Engineers, maintenance teams, and standards reviewers can use it when assessing older arresters, comparing technical requirements, or documenting legacy protective practices for alternating current circuits.

Why it matters

Standards such as 28-1944 matter because lightning arrester performance directly affects system reliability and safety. Clear technical requirements help reduce ambiguity in design, testing, and acceptance decisions, especially for equipment used in power circuits where surge events can cause insulation stress or service interruptions. Even as a superseded document, it remains valuable for historical comparison, asset evaluation, and understanding the technical basis behind earlier protective-device specifications. It also supports more consistent procurement and compliance review.

• AIEE American Standards reference
• Lightning arresters for AC power circuits
• Protection against transient overvoltage
• Legacy technical and compliance reference